Fatal error: Interface 'Symfony\Component\HttpKernel\KernelInterface' not found in /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Kernel.php on line 46

Call Stack:
    0.0023     386584   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Kernel.php:0